import { Key } from '@react-types/shared';
export type MultiSelectKey = string | number;
export declare function setToReactAriaValue(value: Set<MultiSelectKey> | undefined): readonly Key[] | undefined;
export declare function setToReactAriaDefaultValue(value: Set<MultiSelectKey> | undefined): readonly Key[] | undefined;
export declare function reactAriaValueToSet(value: readonly Key[]): Set<MultiSelectKey>;